行业组件数据 · 2026

连接点(用于皮特曼/偏心杆)

A precision mechanical connection point that transfers motion between the pitman/eccentric rod and the ram/slide assembly in industrial machinery.

技术定义与适配语境
典型 连接点(用于皮特曼/偏心杆) 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

The Connection Point for Pitman/Eccentric Rod is a critical interface component in ram/slide assemblies, designed to convert rotary motion from the pitman or eccentric rod into linear motion of the ram. It features precisely machined bearing surfaces, alignment features, and fastening mechanisms to ensure minimal play and accurate force transmission under high cyclic loads. This component maintains the kinematic relationship between the driving mechanism and the driven ram, directly impacting machine precision, stroke consistency, and operational reliability.

组件规格

定义
The Connection Point for Pitman/Eccentric Rod is a critical interface component in ram/slide assemblies, designed to convert rotary motion from the pitman or eccentric rod into linear motion of the ram. It features precisely machined bearing surfaces, alignment features, and fastening mechanisms to ensure minimal play and accurate force transmission under high cyclic loads. This component maintains the kinematic relationship between the driving mechanism and the driven ram, directly impacting machine precision, stroke consistency, and operational reliability.
工作原理
The connection point operates on the principle of constrained kinematic linkage. It provides a pivot or sliding interface that allows the pitman/eccentric rod's oscillating or rotating motion to be transferred to the ram/slide with controlled degrees of freedom. The design ensures that motion transfer occurs with minimal backlash and deflection, maintaining the geometric relationship between input and output motions as defined by the machine's kinematics. Proper lubrication and wear management at this interface are essential for maintaining motion accuracy over the component's service life.
材料
Typically manufactured from alloy steels (e.g.AISI 41404340) or case-hardened steels for wear resistance. High-load applications may use forged components with surface treatments like nitridingcarburizingor induction hardening. Bearing surfaces often incorporate bronze bushings or polymer composites for reduced friction. Corrosion-resistant coatings or stainless steel variants are used in specific environments.
Load Capacity
10-500 kN (depending on machine size)
Surface Finish
Ra 0.8-1.6 μm (critical surfaces)
Connection Type
Pinned, Bolted, or Keyed
Surface Hardness
45-60 HRC (bearing surfaces)
Dimensional Tolerance
IT7-IT8
Operating Temperature
-20°C to 150°C
Lubrication Requirement
Grease or oil lubrication points
标准
ISO 286-1ISO 2768-1DIN 7184DIN 7190

行业分类与别名

连接点(用于皮特曼/偏心杆) 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Insufficient lubrication->Increased friction, overheating, and eventual seizure->Implement automated lubrication systems, use high-temperature greases, establish regular lubrication schedules
Cyclic loading beyond design limits->Fatigue cracking at stress concentration points->Redesign with improved fillet radii, use higher fatigue-strength materials, implement load monitoring systems
Environmental contamination->Abrasive wear and corrosion->Install protective seals, use corrosion-resistant materials, implement regular cleaning protocols

工业生态与工程逻辑

0
Wear-induced backlash affecting precision
1
Fatigue failure under cyclic loading
2
Misalignment causing binding or uneven wear
3
Corrosion in humid or chemical environments
4
Improper lubrication leading to seizure

合规与检测

tolerance
Dimensional tolerances per ISO 286-1 for fits, geometric tolerances per ISO 1101 for alignment
test method
Dimensional verification with CMM, hardness testing per ISO 6508, non-destructive testing (ultrasonic or magnetic particle) for crack detection, functional testing under simulated load conditions

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采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of the connection point in a ram/slide assembly?

The connection point transfers motion from the pitman or eccentric rod to the ram, converting rotary/oscillating input into precise linear output motion while maintaining alignment and minimizing backlash.

How often should connection points be inspected and maintained?

Inspect during routine maintenance cycles (typically every 500-1000 operating hours). Check for wear, alignment, lubrication, and fastener tightness. Replace worn components immediately to prevent machine damage.

What are common failure modes of connection points?

Common failures include wear at bearing surfaces, fatigue cracking at stress concentrations, loosening of fasteners, corrosion in harsh environments, and misalignment due to improper installation or foundation issues.

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CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:CONNECTION_POINT_FOR_PITMAN_ECCENTRIC_ROD_